This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Wendy measures a recession velocity for two distant galaxies, well outside our Local Group of ... (Read 12 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
on: Jul 27, 2018
Wendy measures a recession velocity for two distant galaxies, well outside our Local Group of galaxies. Galaxy A has a recession velocity of 35,000 km/s and Galaxy B has a recession velocity of 70,000 km/s.
 
  What can she say about the distances to those galaxies?
  A) She can't say anything about the distances to Galaxy A or B.
  B) Galaxy A is twice as far as Galaxy B.
  C) Galaxy B is four times as far as Galaxy A.
  D) Galaxy B is twice as far as Galaxy A.
  E) Galaxy A is four times as far as Galaxy B.

Question 2

There is no limit to the mass with which a star can be born.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katieost

  • Sr. Member
  • ****
  • Posts: 358
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

FALSE


captainjonesify

  • Member
  • Posts: 543
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

Jossy

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Local and long–distance cell communication in animals. Local and long–distance cell communication in animals.
The Effect of Group Size on Relationships The Effect of Group Size on Relationships
Velocity-time Graph Velocity-time Graph
Arteriosclerosis is a local contraindication for massage of the lateral neck. Arteriosclerosis is a local contraindication for massage of the lateral neck.
Mix Up Your Choices within Each Food Group Mix Up Your Choices within Each Food Group
Group Performance Group Performance
Video: Reflex arc construction

For a complete list of videos, visit our video library